public async Task <ActionResult <Test> > CapNhatTest([FromBody] Test_ value)
        {
            var test = await _context.Tests.FindAsync(value.Id);

            if (test == null)
            {
                return(NotFound());
            }

            _context.Entry(test).State = EntityState.Modified;

            await _context.SaveChangesAsync();

            return(test);
        }
        public async Task <ActionResult <Test_> > ThemTest([FromBody] Test_ value)
        {
            var test = await _context.Tests.FirstOrDefaultAsync(m => m.TestName == value.TestName);

            if (test != null)
            {
                return(NotFound());
            }
            _context.Tests.Add(new Test()
            {
                // Id = value.Id,
                TestName = value.TestName
            }
                               );
            _context.SaveChanges();
            return(value);
        }